Key facts
- This page summarizes Daniel J. Giesecke's Form 4 filing for Knowles Corp (KN).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 12 Dec 2025, 10:42.
Daniel J. Giesecke - 11 Dec 2025 Form 4 Insider Report for Knowles Corp (KN)
- Reporting relationship
- Senior Vice President & COO
- Issuer ticker
- KN
- Reported as of
- 11 Dec 2025
- Net transaction value
- -$629,968
- SEC form
- 4
- Accepted by SEC
- 12 Dec 2025, 10:42:45 UTC
- Prior SEC filing
- 25 Aug 2025
- Next SEC filing
- 10 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Robyn B. Martin For: POA for Daniel Giesecke
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Daniel J. Giesecke filed Form 4 for Knowles Corp (KN) on 12 Dec 2025.
Change
- Previous filing in this sequence was filed on 25 Aug 2025.
- Current net transaction value: -$629,968.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001598086
Primary reporting owner
Giesecke Daniel J.
- Relationship
- Senior Vice President & COO
- Address
- 1151 MAPLEWOOD DRIVE, ITASCA
- Signature
- By: Robyn B. Martin For: POA for Daniel Giesecke
- Signature date
- 12 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KN
transaction
Common Stock
Options Exercise
- Transaction value
- $528,473
- Shares
- +31,513
- Change %
- +18%
- Price
- $16.77
- Shares after
- 210,385
- Date
- 11 Dec 2025
- Ownership
- Direct
KN
transaction
Common Stock
Tax liability
- Transaction value
- $629,968
- Shares
- -26,205
- Change %
- -12%
- Price
- $24.04
- Shares after
- 184,180
- Date
- 11 Dec 2025
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KN
transaction
Derivative
Non-Qualified Stock Option (right to buy)
Options Exercise
- Transaction value
- $528,473
- Shares
- -31,513
- Change %
- -100%
- Price
- $16.77
- Shares after
- 0
- Date
- 11 Dec 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 31,513
- Exercise price
- $16.77
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
These shares represent the payment of the option exercise price and tax liability by withholding securities.